USD819186SActiveUtility
Connector for double pipe heat exchanger
Est. expiryDec 12, 2031(~5.4 yrs left)· nominal 20-yr term from priority
F28D 7/10F28F 1/28F28F 9/0253F28D 7/106B60H 1/32F28F 1/40F28F 9/26
83
PatentIndex Score
4
Cited by
57
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a connector for double pipe heat exchanger, as shown and described.Join the waitlist — get patent alerts
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